Frost Dates for Ellicott 7s, CO

Elevation: 1749 m

Frost Dates

Last Spring Frost (50%) A 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. May 6
First Fall Frost (50%) A 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. October 3

30% Probability

Only a 30% chance of frost remaining by this date. Use these dates for a safer planting window, especially for tender plants sensitive to cold.
Last Spring Frost May 13
First Fall Frost September 29

Hard Freeze (28°F)

Last Spring Hard Freeze April 25
First Fall Hard Freeze October 12
38.74°N, 104.40°W © OpenStreetMap

Growing Season

150 Days May 6 to October 3

USDA Hardiness Zone

Hardiness zones indicate which perennial plants can survive winter in your area. For annual vegetables, frost dates and growing season length matter more than hardiness zone.
Zone 5b

Avg. annual minimum: −15 to −10°F

Learn more

Köppen Climate

The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
BSk Cold Semi-Arid (Steppe)

Cool to cold with low rainfall and wide temperature swings. Common in the western Great Plains and central Asia. Short growing seasons benefit from season extension techniques.

Köppen climate map

Temperature

Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)
Temperature table
Average monthly temperatures (°F)
Month Avg High Avg Temp Avg Low
January46°30°15°
February49°34°19°
March58°42°26°
April65°50°35°
May74°59°44°
June84°66°49°
July87°71°55°
August86°71°56°
September79°62°46°
October67°51°35°
November56°40°24°
December47°32°16°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January1.2
February1.1
March1.7
April2.2
May2.5
June2.4
July3.1
August3.2
September2.1
October2.1
November1.3
December1.2

Sunrise / Sunset

Daylight Mountain Time (MT) Longest: 14h 43m · Shortest: 9h 17m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Mountain Time (MT))
Month Sunrise Sunset Daylight
January7:20 AM4:54 PM9h 34m
February6:56 AM5:28 PM10h 33m
March7:16 AM6:58 PM11h 42m
April6:27 AM7:28 PM13h 01m
May5:50 AM7:57 PM14h 07m
June5:37 AM8:19 PM14h 42m
July5:49 AM8:17 PM14h 28m
August6:16 AM7:47 PM13h 31m
September6:45 AM6:59 PM12h 14m
October7:14 AM6:12 PM10h 58m
November6:47 AM4:38 PM9h 51m
December7:14 AM4:32 PM9h 18m

Nearby Stations

Colorado Springs Muni AP, CO May 3 - October 8 Rush 1n, COMay 9 - October 4 Cumbre Vista - Colorado Spgs 1, CO May 9 - October 6 Eastonville 2 Nnw, CO May 29 - September 21 Black Forest 6wnw, CO May 11 - October 6 Pueblo Mem AP, CO April 30 - October 9

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